83, 3/5 ȸ  α  
   sjh21a
   http://kernelhack.co.kr
   [] FreeBSD 7.0-RELEASE ڳ ( )

http://www.hackerschool.org/HS_Boards/zboard.php?id=HS_Notice&no=1170881861 []


[]

FreeBSD ڳ , ϱ glibc Ư ȯ溯
LD_* (κ LD_PRELOAD) /bin/login մϴ.

̷ LD_PRELOAD ڵ带 ν,
ݴ ǻͿ Ǽ ڵ带 ִ ϰ մϴ.

׽Ʈ ÿ WiseGuys z0nkt1g3r ּ̽ϴ.

ںе ż ġ մϴ.!

[]

http://work.hackerschool.org/DOWNLOAD/Lecture/freebsd70telnetd.avi

[ ޴ ý]

FreeBSD 7.x

[ġ ]

# fetch http://security.FreeBSD.org/patches/SA-09:05/telnetd.patch
# fetch http://security.FreeBSD.org/patches/SA-09:05/telnetd.patch.asc
# cd /usr/src
# patch < /path/to/patch
# cd /usr/src/lib/libtelnet
# make obj && make depend && make
# cd /usr/src/libexec/telnetd
# make obj && make depend && make && make install

[ ũ]

http://packetstormsecurity.org/0902-advisories/FreeBSD-SA-09-05.telnetd.txt

  Hit : 11665     Date : 2009/02/20 12:42



    
cni274 ٷ ȶ׿. ŬѴ ּâ dz  Ⱥκ ٽ ʹ dz׿. ; 2009/02/20  
whathellof þ̱.. ū;; 2009/02/25  
aequum ׿ _ 2009/04/02  
DarkSlayer ~
׷ݾƵ 系 ڸ ° ־ غðŴ..... #̶~

... ƴݝ!!!! ڽ ̰ ġϰ Ѱ-_- ̷ ...
2009/04/05  
capt_0669 ִ!!!!!!!!! 2010/08/29  
eraseZEROne մϴ. Ȯ ִٸ ٵ ƽ׿. ^^; 2019/01/06  
43   [] ҽ ۼ ȳ[2]     ۸
08/15 6748
42   [] 2ȸ ̳ ȳԴϴ.[2]     ۸
08/11 6752
41   [] 1 հ ǥ ȳԴϴ.[12]     ۸
06/10 9519
40   [] Protect yourself in the Web ̳ ȳԴϴ.[8]     ۸
05/12 8139
39   [] 4 Ⱓ մϴ.[9]     ۸
05/09 8488
38   ڵƮ Ƽ ܷ óմϴ. () -> [41]     ۸
04/29 9136
37   Ͻô е ϼ~[4]     ۸
02/26 9524
36   BOF ھ (5/3 Ʈ)[25]     ۸
02/26 17411
35   BOF մϴ![17]     ۸
02/26 11357
34   BOF(Buffer Overflow) ![33]     ۸
02/26 12295
33   [] Ƽ ̺Ʈ.![52]     ۸
02/24 8283
32   [] Ʈ[8]     ۸
02/05 7333
31   [] ŷ ķ Դϴ.[2]     ۸
01/26 6997
30   [] ŷ ķ Դϴ.[9]     ۸
01/22 7055
29   [] DDoS Ǽڵ ġ α׷Դϴ.[28]     ۸
07/09 10670
  [] FreeBSD 7.0-RELEASE ڳ ( )[6]     sjh21a
02/20 11664
27   [] MS Internet Explorer XML Parsing Remote Buffer overflow zer0-day[7]     sjh21a
12/17 9022
26   [] BOF ޱ ̺Ʈ Դϴ.[12]     ۸
11/19 7877
25   [] ű Windows ġ ȳԴϴ.[15]     ۸
10/26 9569
24   [] մϴ.[18]     ۸
10/13 11918
[1][2] 3 [4][5]

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